Mrs. Smith is _____ English teacher. We all like _____ . [ ]

A. ours; him

B. us; her

C. ours; her

D. our; him

杆上作业时，地面应有人监护；传递物品必须使用吊绳；杆下半径1m内不准站人，现场工作人员必须戴安全帽。